488 resultados para CUENCAS HIDROGRAFICAS
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Morphometric variables such as drainage density, hydrographic density and topographic texture have been successfully used to describe hydrographic basins. This paper deals with possible relationships among those morphological variables and lithological and altimetric aspects, in order to find a classification of several geographical areas in the state of Sao Paulo, Brazil.-from English summary
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The following soil classes were identified in the studied area: Quartz Sands (AQ), Yellow Red Podzolic, Dusky Red Latosol (LR), 'Terra Roxa estruturada' (TE), Lithosol substrate sandstone (Lia) and Hidromorphic (Hi). The dimensional analysis method allowed: a) to group the watershed whose percentage (60%) are showing predominance of the same soil (Quartz Sands) and which located in the same relief; b) to group watersheds with different soil classes, but with similar percentages. -from English summary
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Covers cartographic aspects related to characterization and map-making of watersheds, in surveys relating to agronomic activities. The recommendations, about scales and others specifications of thematic maps, were established in conformity with the dimension and complexity of watershed. -English summary
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Examina la busqueda de estrategias de los gobiernos de la region para enfrentar, frenar y superar el deterioro progresivo de la calidad de vida de los habitantes de las zonas altas, asi como de los recursos naturales que los sustentan.
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